Birch tree light



FIG. 1 is a perspective view of a birch tree light showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is an enlarged partial view thereof, taken from FIG. 2.

The portions of the birch tree light shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a birch tree light, as shown and described. 